|  | // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file | 
|  | // for details. All rights reserved. Use of this source code is governed by a | 
|  | // BSD-style license that can be found in the LICENSE file. | 
|  |  | 
|  | import 'package:expect/expect.dart'; | 
|  |  | 
|  | baz() {} | 
|  |  | 
|  | check_true_true(x, y) { | 
|  | if (x) { | 
|  | if (y) { | 
|  | return true; | 
|  | } | 
|  | } | 
|  | baz(); | 
|  | return false; | 
|  | } | 
|  |  | 
|  | check_false_true(x, y) { | 
|  | if (x) {} else { | 
|  | if (y) { | 
|  | return true; | 
|  | } | 
|  | } | 
|  | baz(); | 
|  | return false; | 
|  | } | 
|  |  | 
|  | check_true_false(x, y) { | 
|  | if (x) { | 
|  | if (y) {} else { | 
|  | return true; | 
|  | } | 
|  | } | 
|  | baz(); | 
|  | return false; | 
|  | } | 
|  |  | 
|  | check_false_false(x, y) { | 
|  | if (x) {} else { | 
|  | if (y) {} else { | 
|  | return true; | 
|  | } | 
|  | } | 
|  | baz(); | 
|  | return false; | 
|  | } | 
|  |  | 
|  | main() { | 
|  | Expect.equals(true, check_true_true(true, true)); | 
|  | Expect.equals(false, check_true_true(true, false)); | 
|  | Expect.equals(false, check_true_true(false, true)); | 
|  | Expect.equals(false, check_true_true(false, false)); | 
|  |  | 
|  | Expect.equals(false, check_true_false(true, true)); | 
|  | Expect.equals(true, check_true_false(true, false)); | 
|  | Expect.equals(false, check_true_false(false, true)); | 
|  | Expect.equals(false, check_true_false(false, false)); | 
|  |  | 
|  | Expect.equals(false, check_false_true(true, true)); | 
|  | Expect.equals(false, check_false_true(true, false)); | 
|  | Expect.equals(true, check_false_true(false, true)); | 
|  | Expect.equals(false, check_false_true(false, false)); | 
|  |  | 
|  | Expect.equals(false, check_false_false(true, true)); | 
|  | Expect.equals(false, check_false_false(true, false)); | 
|  | Expect.equals(false, check_false_false(false, true)); | 
|  | Expect.equals(true, check_false_false(false, false)); | 
|  | } |